utils - introduce memcpy_le32toh function

Author: TheSableCZ

include/ipfixprobe/utils.hpp

@@ -171,6 +171,11 @@ std::string vec2str(const std::vector<T> &vec) {
    return ss.str();
 }
 
+/**
+ * @brief Copy uint32 in little endian byte order to destination in host byte order
+ */
+void memcpy_le32toh(uint32_t* dest, const uint32_t* src);
+
 }
 
 #endif /* IPXP_UTILS_HPP */

utils.cpp

@@ -29,6 +29,7 @@
 
 #include <arpa/inet.h>
 #include <cstring>
+#include <endian.h>
 #include <string>
 #include <utility>
 
@@ -138,4 +139,9 @@ uint64_t timeval2usec(const struct timeval& tv)
    return tv.tv_sec * usec_in_sec + tv.tv_usec;
 }
 
+void memcpy_le32toh(uint32_t* dest, const uint32_t* src)
+{
+    *dest = le32toh(*src);
+}
+
 } // namespace ipxp